نتایج جستجو برای: adjusting coefficients
تعداد نتایج: 151174 فیلتر نتایج به سال:
We propose a product design optimization method that maximizes the integrated satisfaction level for evaluative factors. Product designs include many evaluative factors that have complex interrelationships. To cope with such circumstances, we construct strategies and a practical method to obtain optimum design solutions. First, the evaluative items for the product are listed and each item is de...
Compatible solutes like ectoine and its derivatives are deployed by halophile organisms as osmolytes to sustain the high salt concentration in the environment. This work investigates the relation of the thermodynamic properties of compatible solutes and their impact as osmolytes. The ectoines considered in this work are ectoine, hydroxyectoine, and homoectoine. Besides solution densities (15-45...
Linearly distributed-lag models as a time series tool have very useful applications in many disciplines. In these models, the dependent variable depends on one independent variable and its lags. The specification of the lag coefficients is a crucial question to the efficacy of a model. A new algorithm is proposed for the estimation of lag coefficients subject to the condition that the sequence ...
BACKGROUND AND PURPOSE Early ischemic changes on pretreatment NCCT quantified using ASPECTS have been demonstrated to predict outcomes after IAT. We sought to determine the interobserver reliability of ASPECTS for patients with AIS with PAO and to determine whether pretreatment ASPECTS dichotomized at 7 would demonstrate at least substantial κ agreement. MATERIALS AND METHODS From our prospec...
In this paper we introduce a simple, computationally inxepentsive, adaptive recursive structure for enhancing bandpass signals highly corrupted by broad-band noise. This adaptive algorithm, enhancing input signals, enables us to estimate the center frequency and the bandwidth of the input signal. In addition, an important feature of the proposed structure is that the conventional bias existing ...
Linearly distributed-lag models as a time series tool have very useful applications in many disciplines. In these models, the dependent variable depends on one independent variable and its lags. The specification of the lag coefficients is a crucial question to the efficacy of a model. A new approach is proposed for the estimation of lag coefficients subject to the condition that the sequence o...
abstract different strategies are existed for adjusting with water shortage, of which the strategy of suitable policies adoption by determining optimum production function can be mentioned. water shortage and quality degradation of soil and water resources is one of main factors of production reduction. therefore, this study was carried out for determination of tomato sensitivity coefficients a...
Abstract Using datasets from several sources, a list of more than 450 materials is generated and related them with their thermoelectric properties. This obtained by generating set features using only the molecular formula. Subsequently, machine learning algorithm classifies in specific, binary classes, for example, possessing high or low Seebeck coefficients electrical conductivity. After adjus...
Let G be a group and A a G-algebra. The subrepresentation semiring of A is the set of subrepresentations of A endowed with operations induced by the algebra operations. The introduction of these semirings was motivated by a problem in material science. Typically, physical properties of composite materials are strongly dependent on microstructure. However, in exceptional situations, exact relati...
We propose a non-Abelian generalization of the Clebsch parameterization for a vector in three dimensions. The construction is based on a group-theoretical reduction of the Chern-Simons form on a symmetric space. The formalism is then used to give a canonical (symplectic) discussion of non-Abelian fluid mechanics, analogous to the way the Abelian Clebsch parameterization allows a canonical descr...
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